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Attached is a force-displacement plot for the tension test of a metallic specimen. Gauge length of the tensile specimen is 2.25 inches and the width is 0.5 inches and thickness is 0.25 inches. Calculate the following:

(a) What is the yield strength and ultimate tensile strength of the material?

(b) What are the engineering strain and true strain when the specimen is elongated to 0.2 inches?

(c) What are the corresponding stress quantities at 0.2 inches elongation?

(d) If I use a cylindrical test specimen of the same material 0.35 inches in diameter and 1.5 inches in length, what is the elongation you will expect to yield?

1494_Force Displacement plot.jpg

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